12120101201011 has 4 divisors (see below), whose sum is σ = 12120214291992. Its totient is φ = 12119988110032.

The previous prime is 12120101200997. The next prime is 12120101201027. The reversal of 12120101201011 is 11010210102121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120101201011 - 2¹¹ = 12120101198963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120101200982 and 12120101201000.

It is not an unprimeable number, because it can be changed into a prime (12120101201051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56384581 + ... + 56599126.

It is an arithmetic number, because the mean of its divisors is an integer number (3030053572998).

Almost surely, 2^{12120101201011} is an apocalyptic number.

12120101201011 is a deficient number, since it is larger than the sum of its proper divisors (113090981).

12120101201011 is a wasteful number, since it uses less digits than its factorization.

12120101201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113090980.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12120101201011 its reverse (11010210102121), we get a palindrome (23130311303132).

The spelling of 12120101201011 in words is "twelve trillion, one hundred twenty billion, one hundred one million, two hundred one thousand, eleven".